the obama administration says it is certain chemical weapons were used in syria, and blames the syrian government for the attack. the white house has promised an intelligence report on the attack later this week. >> translator: we are all hearing the drums of war being beat around us, if the countries are willing to launch a military act against syria, i believe the pretext of chemical weapons is false, baseless and groundless. and as i said, i challenge, i dare them to produce one single piece of evidence. >>> inspectors from the un are still in syria looking for evidence of chemical weapons. >>> one of the largest wildfires in california history moved deeps into yosemite national park. >>> the city of detroit is getting a makeover. the state plans to demolish nearly 4,000 abandoned homes to remove the blithe. >>> and at least 21 people in texas have been sickened from a measles outbreak. that's the headlines "consider this" is up next on al jazeera. ♪ ♪ >>> who is bash aral-assad. the syrian president could be forcing america into another unpopular mideast war. how did a man who